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ASSUMPTIONS, KEYNESIAN ECONOMICS: The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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Lesson 18: Monopoly | Unit 1: Intro
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Page: 1 of 30
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- A definition of monopoly.
- Monopoly is a market structure characterized by a single firm, a unique good with no close substitutes, and strict limits on entry and exit.
- There is ONE firm in the market, and that single firm sells ALL output.
- The word monopoly literally means one seller -- "mono" meaning "one" and "poly" meaning "to sell."
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AGGREGATE DEMAND DETERMINANTS An assortment of ceteris paribus factors other than the price level that affect aggregate demand, but which are assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. The specific ceteris paribus factors are commonly grouped by the four, broad expenditure categories--consumption expenditures, investment expenditures, government purchases, and net exports.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at an auction wanting to buy either a combination CD player, clock radio, and telephone (with answering machine) or a revolving spice rack. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"You have to find something that you love enough to be able to take risks, jump over the hurdles and break through the brick walls that are always going to be placed in front of you. If you don't have that kind of feeling for what it is you're doing, you'll stop at the first giant hurdle. " -- George Lucas
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TSE
Tokyo Stock Exchange
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